Fundraising FoxPropeller
San Francisco Bay Area, US · 9 known investors
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Propeller Bio discovers and develops biologic therapeutics that target multiple disease-driving pathways to achieve synergistic effects, aimed at patients with unmet medical needs. The company operates in the drug discovery and development space and is based in the Bay Area, California.
Founders & leadership
DW
David W. ShenFounderDavid W. Shen founded Propeller Bio in 2025 after leading Proteologix as CEO until its 2024 acquisition by Johnson & Johnson for $850 million; he previously held executive positions at NGM Biopharmaceuticals, Teva Pharmaceuticals, Merck, and Amgen, where he contributed to the development of multiple approved antibody therapeutics including evolocumab, romosozumab, and denosumab.
Investors · 9
Foresite Capitallisted by Foresite CapitalWest Hollywood
How we know: Foresite Capital's portfolio page · Not right? Tell us
McKesson VenturesreportedSan Francisco
How we know: funding news · press coverage · Not right? Tell us
Also in the syndicate · 4
Aware SuperBlackbirdleadCostanoaleadSaniel
Funding
SEC filings, press & company announcements- Undisclosed amountseed fundingJan 2023Source ↗
- Undisclosed amountSeries AJun 2018
Blackbird Ventures (lead), Sequoia China
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Frequently asked questions
- What does Propeller do?
- Propeller Bio discovers and develops biologic therapeutics that target multiple disease-driving pathways to achieve synergistic effects, aimed at patients with unmet medical needs. The company operates in the drug discovery and development space and is based in the Bay Area, California.
- Who founded Propeller?
- Propeller was founded by David W. Shen.
- Who are Propeller's investors?
- Propeller's investors include Foresite Capital, OrbiMed, Blackbird Ventures, McKesson Ventures, Sequoia Capital.
- Where is Propeller headquartered?
- Propeller is headquartered in San Francisco Bay Area, US.